27680667

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6691}}^1$

素因数の和:6898

約数の個数: 16

約数和(自身を含む): 42400512

約数和(自身を除く): 14719845

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 6691, 20073, 46837, 140511, 1318127, 3954381, 9226889, 27680667]

約数ペア:

[(1, 27680667), (3, 9226889), (7, 3954381), (21, 1318127), (197, 140511), (591, 46837), (1379, 20073), (4137, 6691)]